Lighting unit



FIG. 1 is a top perspective view of a lighting unit of the present invention;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side view thereof, the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

An elongated elevation on a substrate is transparent and thus light comes through. The two rectangles are electrodes. 

We claim the ornamental design for a lighting unit, as shown and described. 